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This report looks at three closely related speech varieties spoken along the border of the states of Rondonia and Mato Grosso in Brazil. The varieties are: Mamaindê (population 200), Negarotê (population 100), and Latundê (population 20). These groups entered into contact with Brazilian society about three generations ago. Interaction with Brazilians has resulted in the young people becoming very interested in literacy in Portuguese, the national language.
One of the main goals of the survey was to determine whether these groups could benefit from additional literature in their languages. The results seemed to indicate non-print media would be more effective.